Consistent with federal guidelines,
BMI was categorized as less than 18.5 kg/m2
(underweight), 18.5 kg/m2 to less than 25.0
kg/m2 (normal weight), 25.0 kg/m2 to less than
30.0 kg/m2 (overweight), 30.0 kg/m2 to less
than 35.0 kg/m2 (grade I obesity), 35.0 kg/m2
to less than 40.0 kg/m2 (grade II obesity),
and 40.0 kg/m2 or more (extreme obesity or
grade III).